Device: Lumia 640 LTE Dual-SIM
Model: Microsoft RM-1113
OS Version: 10.0.14332.1001

Foobar2000 Version:1.0.17 beta ARM 32-bit (Windows Store package version: 1.3.17 lite)

I store all my musics in microSD card D:\Music\ and Groove Music can play them.

It shows "Directory enumeration failure" when I choose "Device's Music Library"

In settings / Media Library, index only 1 track or nothing.